19985506

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:594

約数の個数: 24

約数和(自身を含む): 32360256

約数和(自身を除く): 12374750

約数列:

[1, 2, 17, 34, 71, 142, 289, 487, 578, 974, 1207, 2414, 8279, 16558, 20519, 34577, 41038, 69154, 140743, 281486, 587809, 1175618, 9992753, 19985506]

約数ペア:

[(1, 19985506), (2, 9992753), (17, 1175618), (34, 587809), (71, 281486), (142, 140743), (289, 69154), (487, 41038), (578, 34577), (974, 20519), (1207, 16558), (2414, 8279)]